当前毫秒时间戳

1     //得到当前毫秒时间戳
2     public function millStampTime()
3     {
4         list($tmp1, $tmp2) = explode(\' \', microtime());
5         return (float)sprintf(\'%.0f\', (floatval($tmp1) + floatval($tmp2)) * 1000);
6     }